Adam cook



A. BOOK & P. PULVER.

Luhricators.

Patented April 21,1874.

UNITED STATES PATENT OFFICE.

ADAM OOOK,-OF ALBANY, AND PETER PULVER, OF NEWTOVVN, NFAV YORK.

IMPROVEMENT iN LUBRICATORS.

Specification forming part of Letters Patent No. 149,997, dated April21, 1874 application filed March 24, 1874.

To all whom it may concern:

Be it known that we, ADAM 000K, of Albany, in the county of Albany andState of New York, and PETER PULVER, of Newtown, in the county of Queensand State of New York, have invented a new and Improved Lubricator andwe do hereby declare the following to be a full, clear, and exactdescription thereof, which will enable those skilled in the art to makeand use the same, reference being had to the accompanying drawingforming part of this specification, in which drawing- 7 Figure 1represents a central section of our lubricator. Fig. 2 is a detachedsection of the heat-transmitter. I

Similar letters indicate corresponding parts.

This invention relates to an improvement on that class of lubricatorsfor which Letters Patent have been granted to E. J. Gerdom and 0. WV.Schindler, January 28, 1868, and May 19, 1868, and the action of whichdepends upon the combination of a device for transmitting heat from thejournal to the grease in the oilcup, said grease being of such a naturethat it remains set at the ordinary temperature, and becomes liquid onlywhen the journal begins to run hot.

Our improvement consists in the arran gem ent of a rod of copper orother good conductor of heat, which is surrounded by a corrugatedprotector contained in the tubular stem of the oilcup, said corrugatedprotector bemg made to extend some distance beyond the tubular stem,

' oil-cup, which is made of glass or any other suitable material, andfrom which extends a tubular stem, a, that is intended to be secured inthe cover of the journal-box into which the lubricating material is tobe introduced. Through this tubular stem extends the corrugatedprotector b, the high portions of which fit the tubular stem, while itsdepressed or low parts form channels through which the lubricatingmaterial, when the same has become liquid, can run down. Said protectorextends through the tubular stem a certain distance, and it incloses asolid or tubular rod, c, of copper or other good conductor of heat, thatextends beyond the protector at both ends, as

shown in Fig. 2, and is firmly secured in the same.

The bottom end of the heat-transmitting rod 0 rests upon the journal tobe lubricated, and whenever the journal runs hot, the heat istransmitted by said rod to the lubricating material in the oil-cup, andthat portion of the lubricating material which becomes melted by contactwith the heat-transmitting rod runs down through the channels betweenthe cor.- rugated protector and the tubular stem into the journal-boxand on the journal.

By this arrangement these-channels are always kept open, and the journalis lubricated without fail whenever it begins to run hot, while at thesame time no waste of lubricating material can take place.

lVe disclaim everything shown and (le scribed in the patents of Gerdomand Schindler, hereinbefore mentioned. I

What we claim as new, and desire to secure by Letters Patent, is-

The heat-transmittin g rod 0, surrounded by the corrugated protector ortube 1), arranged within the stem to of a lubricator, said rod extendingthrough the protector, and communicating at one end with the interior ofa lubricator, and the other in contact with a journal or shaft,substantially as described, for the purpose specified.

ADAM COOK. PETER PULVEB.

Witnesses:

W, HAUFF, CHAS. WAHLEns.

